Arsene Wenger was being feted before his 1,000th game for his long and distinguished career at the Gunners. People were happy to forget the bad moments.
And then he presided over a 6-0 defeat to Chelsea, and people were happy to forget the good moments.
#WengerOut has seen some use as a hashtag in recent times (to little effect), but perhaps that's because the phrase hasn't been put into sticker form yet?
A previous protest in 2012 involved putting bin bags on seats. And was not exactly a triumph.
Next up: wristbands?